Pregnancy Due Date Calculator
Find your estimated due date, trimester, and key milestones.
Last Menstrual Period
Conception Date
First Day of Last Menstrual Period (LMP)
Average Cycle Length
21 days
22 days
23 days
24 days
25 days
26 days
27 days
28 days (average)
29 days
30 days
31 days
32 days
33 days
34 days
35 days
Conception / Ovulation Date
Calculate Due Date
Estimated Due Date
Weeks Pregnant
Days Along
Days Remaining
Pregnancy Progress
1st Trimester
Weeks 1–12
2nd Trimester
Weeks 13–26
3rd Trimester
Weeks 27–40
KEY MILESTONES
Due dates are estimates. Always consult your healthcare provider for personalised guidance.